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41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
package postgresql
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import (
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"github.com/sqlc-dev/sqlc/internal/core/seed"
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"github.com/sqlc-dev/sqlc/internal/sql/catalog"
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)
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func NewCatalog() *catalog.Catalog {
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c := catalog.New("public")
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c.Schemas = append(c.Schemas, pgTemp())
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c.Schemas = append(c.Schemas, genPGCatalog())
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c.Schemas = append(c.Schemas, genInformationSchema())
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c.SearchPath = []string{"pg_catalog"}
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c.LoadExtension = loadExtension
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return c
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}
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// genPGCatalog and genInformationSchema build the schemas sqlc knows
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// PostgreSQL by. Both read the dialect directory, which goldeneye writes,
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// and which the analysis core seeds its catalog from as well.
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func genPGCatalog() *catalog.Schema {
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return systemSchema("pg_catalog", pgCatalogFuncs())
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}
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func genInformationSchema() *catalog.Schema {
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return systemSchema("information_schema", nil)
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}
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// systemSchema builds a schema from the relations recorded for it. The tables
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// are read fresh each time, because a catalog is free to change the schemas it
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// was built with.
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func systemSchema(name string, funcs []*catalog.Function) *catalog.Schema {
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tables, err := seed.Relations(dialectFS, "dialect", name)
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if err != nil {
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// The relations are embedded in the binary: a failure here means sqlc
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// was built from a broken tree, which no caller can do anything about.
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panic(err)
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}
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return &catalog.Schema{Name: name, Funcs: funcs, Tables: tables}
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}
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